Search Results for S-N curves

Fig. 4 S - N curves for T300/934 graphite/epoxy laminates. Log life in cycles, N , vs. maximum load. Loading is equal tension-compression, R =–1.0. Curves are A, unidirectional [0°] 16 ; B, cross-ply [0°/90°] 4s ; C, quasi-isotropic [0°/±45°/90°] 2s ; D, angle-ply [±45°] 4s . Adapted from More

Fig. 12 S - N curves of the as-cast (AC), machined (M), as-cast-shot-blasted (AC-SB), and machined-shot-blasted (M-SB) for 15% nodularity CG iron More

Fig. 17 S-N curves for as-hardened (gear A) and as-hardened plus double shot peened (gear B) gears. Source: Ref 41 More

Fig. 17 Fatigue characteristics ( S-N curves) for cast and wrought 8600-series steels, quenched and tempered to the same hardness, both notched and unnotched. Moore rotating-beam tests; stress-concentration factor K = 2.2 More

Fig. 3 Fatigue characteristic ( S - N ) curves for cast and wrought 8600-series steels quenched and tempered to the same hardness. Notched ( K t = 2.2) and unnotched specimens tested with R.R. Moore rotating-beam tests. Source: Ref 3 More

Fig. 11 S - N curves for 316L stainless steel showing premature corrosion fatigue failure when immersed in Ringer's solution compared to deionized/distilled water (37 °C, or 98.6 °F) More

Fig. 23 Fatigue ( S - N ) curves for ferritic, pearlitic, and higher-nodularity compacted graphite (CG) ( Table 7 ) from rotating-bending tests. Arrows indicate specimens did not fail. SG, spheroidal graphite. (a) Source: Ref 25 . (b) Source: 27 More

Fig. 10 Bending fatigue S - N curves for AISI 4140 specimens having normal and inverse hardness distributions after quenching. All specimens were tempered for 2 h at 500 °C. Source: Ref 6 More

Fig. 24 Comparison of S - N curves for a material in an inert environment (top curve) and an aggressive environment (lower curve) More

Fig. 3 Typical S - N curves for constant amplitude and sinusoidal loading More

Fig. 17 Typical S-N curves for constant stress amplitude and sinusoidal loading More

Fig. 20 Schematic S-N curves for a material at various stress ratios. UTS and YS indicate ultimate tensile strength and yield strength, respectively, in uniaxial tensile testing. More

Fig. 21 Room temperature S-N curves for AISI 4340 alloy steel with various ultimate tensile strengths and with R = –1.0 More

Fig. 22 S-N curves at various temperatures for AISI 4340 alloy steel with an ultimate tensile strength of 1090 MPa (158 ksi). Stress ratio, R , equals −1.0 More

Fig. 11 Family of S - N curves showing the effect of R -ratio on fatigue life for axial loading of 2024-T3 aluminum alloy. Source: Ref 13 More

Fig. 28 S - N curves for commercial and experimental 2024 alloys with comparable tensile strengths. Both alloys contained a distribution of 5 μm diam iron- and silicon-rich inclusions; the commercial alloy also contained 0.1 to 0.2 μm diam manganese-rich inclusions. Experimental alloy X2024 More

Fig. 36 S - N curves for different aluminum alloys. Source: Ref 55 More

Fig. 20 S-N curves at room temperature for AF1410 steel (VIM/VAR plate with 20 mm, or 3 4 in., thickness) tested in transverse direction at several stress concentrations for R = −1. Heat treatment: Heat at 900 °C (1650 °F) for 1 h and water quench, heat at 815 °C (1500 °F) for 1 More

Fig. 2 Best-fit S-N curves for unnotched 300M alloy forging with an ultimate tensile strength of 1930 MPa (280 ksi). Stresses are based on net section. Testing was performed in the transverse direction with a theoretical stress concentration factor, K t , of 1.0. Source: Ref 4 More

Fig. 4 Room temperature S-N curves for notched and unnotched AISI 4340 alloy steel with a tensile strength of 860 MPa (125 ksi). Stress ratio, R , equals −1.0. Source: Ref 4 More